31 completed, 16 unknown, 6 terminated, 3 recruiting. 60 Phase 4.
| Phase | Trials | Status |
|---|---|---|
| Phase 4 | 60 | Completed 31, Unknown 16, Terminated 6, Recruiting 3, Active not recruiting 1, Not yet recruiting 1, Suspended 1, Withdrawn 1 |
Follow Ascorbic Acid: new trials by email Literature Review of Ascorbic Acid trials Research Report on Ascorbic Acid
Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.
| Trial | Phase | Status | Sponsor | Enrollment | Start | Updated |
|---|---|---|---|---|---|---|
| Parenteral Ascorbic Acid Repletion in TransplantatIon Ascorbic acid, Placebo - Liver Transplant Failure and Rejection | Phase 4 | Withdrawn | University of Wisconsin, Madison | 2026-09-01 | 2026-09-18 | |
| Acupoint TENS vs Resistance Training for Iron Deficiency Anemia Acupuncture transcutaneous electrical nerve stimulation (Acu-TENS), Resistance exercise training, Ferrous Sulfate - Iron Deficiency Anemia | Phase 4 | Recruiting | Cairo University | 60 | 2026-01-15 | 2026-05-26 |
| Fractional CO2 Laser-assisted Delivery of Hyaluronic Acid, Ascorbic Acid and Sodium DNA For Enhancing Facial Skin Quality in Individuals Over the Age of 30 topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment - Skin Quality Improvement, Photo-aged Skin | Phase 4 | Recruiting | Instituto de Oftalmología Fundación Conde de Valenciana | 30 | 2025-11-07 | 2026-01-29 |
| Effect of Vitamin C on Length of Hospital Stay in Children With Severe Pneumonia Antibiotics administration, Vitamin C - Pneumonia Childhood, Vitamin C | Phase 4 | Recruiting | Children's Hospital and Institute of Child Health, Multan | 90 | 2025-08-28 | 2026-02-17 |
| Prevention and Treatment for Bruises in Patients With Ischemic Stroke Ascorbic acid (Vitamin C), Normal Saline (Placebo) - Stroke, Bruises | Phase 4 | Not yet recruiting | Chiayi Christian Hospital | 400 | 2025-08-01 | 2025-02-13 |
| Combination of Vitamin C and N-Acetylcysteine to Improve Functional Outcome After Rotator Cuff Repair Ascorbic acid, N-acetyl cysteine, placebo - Rotator Cuff Tears | Phase 4 | Unknown | Mahidol University | 110 | 2024-05-01 | 2024-04-25 |
| Effect of Intravenous Vitamin C on Intrapartum Maternal Fever After Epidural Labor Analgesia Vitamin C Injection, Normal saline - Obstetric Labor Complications, Fever | Phase 4 | Unknown | Kunyue Li | 400 | 2024-04-15 | 2024-07-03 |
| Effect of Eurycoma Longifolia (DLBS5055) and Multivitamins (Vitamin C+Vitamin E+ β-carotene) for Infertile Males DLBS5055 200mg, Placebo DLBS5055, Multivitamin (Vitamin C 500mg + Vitamin E 100IU + Beta Carotene 10000IU) - Male Infertility | Phase 4 | Active not recruiting | Duta Wacana Christian University | 90 | 2023-11-11 | 2025-03-27 |
| Comparative Evaluation of Vitamin C and Injectable-platelet Rich Fibrin in the Management of Thin Gingival Phenotype Vit C, injectable PRF - Thin Gingival Biotype | Phase 4 | Unknown | Cairo University | 13 | 2023-07-01 | 2023-05-03 |
| Vitamin c Supplementation in the Prevention of CRPS Following Distal Radius Fractures Vitamin C, Placebo - Distal Radius Fracture, Vitamine c | Phase 4 | Completed | Damascus University | 220 | 2023-06-15 | 2026-03-19 |
| The Efficacy of Tamsulosin and Tadalafil Compared to Placebo in the Treatment and Prevention of Urinary Disorders After Transperineal Prostate Biopsy Tadalafil 5mg, Tamsulosin Hydrochloride 400 Microgram Prolonged-Release Oral Capsule, Placebo - Lower Urinary Tract Symptoms, Voiding Disorders | Phase 4 | Unknown | University Hospital of Split | 120 | 2022-09-01 | 2023-02-22 |
| Vitamin C Deficiency in Septic Shock Ascorbic acid - Septic Shock | Phase 4 | Completed | Cairo University | 150 | 2021-12-01 | 2024-01-25 |
| Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness? Vitamin C, Placebo - Shoulder Stiffness | Phase 4 | Terminated | Lindenhofgruppe AG | 46 | 2021-04-27 | 2024-06-14 |
| The Impact of Oral Vitamin C in Prevention for Post Operative Atrial Fibrillation (POAF) in Coronary Artery Bypass Surgery (CABG) Patients Vitamin C 500 MG Oral Capsule(High dose 2g daily), Vitamin C 500 MG Oral Capsule(Low-dose 1g daily), placebo capsules - Post Operative Atrial Fibrillation | Phase 4 | Unknown | Helwan University | 180 | 2020-10-13 | 2023-10-10 |
| The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19 Quercetin, bromelain, Zinc - Covid-19 | Phase 4 | Unknown | Ministry of Health, Saudi Arabia | 60 | 2020-06-20 | 2020-07-13 |
| Hydroxychloroquine in Patients With Newly Diagnosed COVID-19 Compared to Standard of Care Hydroxychloroquine, Vitamin C - COVID-19, Corona Virus Infection | Phase 4 | Suspended | Providence Health & Services | 13 | 2020-03-30 | 2020-09-16 |
| The Impact of Vitamin C on Postoperative Acute Kidney Injury in Risk Patients Undergoing Valvular Heart Surgery Vitamin C, Control (Normal saline) - Acute Kidney Injury | Phase 4 | Unknown | Yonsei University | 264 | 2020-03-24 | 2020-03-26 |
| Ascorbic Acid Administration in the Treatment of Anemia in Chronic Hemodialysed Patients Ascorbic Acid - Anaemia Response to the Treatment, Peripheral Iron Indices | Phase 4 | Unknown | Anemia Working Group Romania | 100 | 2020-02-01 | 2020-02-24 |
| Effect of Age and Fitness on Vascular Function and Oxidative Stress During Acute Inflammation Typhoid Vaccine, Ascorbic Acid - Aging, Inflammation | Phase 4 | Terminated | University of Illinois at Chicago | 35 | 2019-03-25 | 2021-11-12 |
| Impact of a Predictive Score of Bowel Preparation Quality in Clinical Practice polyethylene glycol, polyethylene glycol plus ascorbic acid - Cleansing Quality of the Colon | Phase 4 | Completed | Hospital Universitario de Canarias | 260 | 2019-02-04 | 2020-03-13 |
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Inflammation (4) · Sepsis (3) · Shock, Septic (3) · Acute Kidney Injury (2) · Anemia, Iron-Deficiency (2) · COVID-19 (2) · Diabetes Mellitus, Type 1 (2) · Pain (2) · Anemia (1) · Angina Pectoris (1) · Angina Pectoris, Variant (1) · Asphyxia Neonatorum (1) · Atrial Fibrillation (1) · Cardiovascular Diseases (1) · Cholecystitis (1)
Cairo University (4) · Seoul National University Hospital (3) · Ain Shams University (2) · American University of Beirut Medical Center (2) · Tomas Bata Hospital, Czech Republic (2) · Yonsei University (2) · Amsterdam UMC, location VUmc (1) · Anemia Working Group Romania (1) · Chiayi Christian Hospital (1) · Children's Hospital and Institute of Child Health, Multan (1) · Cukurova University (1) · Damascus University (1) · Duta Wacana Christian University (1) · El-Galaa Military Medical Complex (1) · Fundación Canaria Rafael Clavijo para la Investigación Biomédica (1)
United States (9) · Egypt (7) · South Korea (5) · China (3) · Canada (2) · Czechia (2) · Denmark (2) · Lebanon (2) · Netherlands (2) · Spain (2) · Turkey (Türkiye) (2) · United Kingdom (2) · Croatia (1) · Hungary (1) · India (1)
Ahmed Maged (1) · Alan Spotnitz (1) · Ali A Al-fahham, Asst. Prof. (1) · Anna J Jovanovich, MD (1) · Ayesha F Assitant Professor, FCPS (1) · Bon-Kwon Koo, M.D., Ph.D. (1) · Brian Kendal, MD (1) · Byung-Hee Oh, M.D., Ph.D. (1) · C. Michael White, Pharm.D. (1) · Christopher DeSouza, Ph.D. (1) · David Kennedy (1) · Dina Ebrahim Mohamed Aboshady, BSc PT (1) · Elizabeth Schroeder, MS (1) · Farah Naja, MSc. (1)
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2014 (1)